Home / 1,851.92-2,556.12-1,066.04

Finding the Fourth Proportional to 1,851.92, 2,556.12 and 1,066.04

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Solution

The fourth proportional to 1,851.92, 2,556.12 and 1,066.04 is: 1,471.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.92 : 2,556.12 = 1,066.04 : x
  2. Step 2: Convert to fraction form
    1,851.92/2,556.12 = 1,066.04/x
  3. Step 3: Cross multiply
    1,851.92x = 2,556.12 × 1,066.04
  4. Step 4: Simplify right side
    1,851.92x = 2,724,926.16
  5. Step 5: Solve for x
    x = 2,724,926.16/1,851.92
  6. Step 6: Final answer
    x = 1,471.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.